Company profile

Idemitsu Kosan Co.,Ltd.

EDINET
E01084
Securities
5019
Industry
Oil & Coal Products
Latest annual securities report
2026-06-17 Annual Securities Report PDF HTML
Latest financial report
—
Latest filing
2026-09-03 Extraordinary Report PDF HTML
Compare this company

Industry position

Oil & Coal Products

View details
Profitability Average Current Top 50% 5-year trend Deteriorating
Financial strength Below average Based on Equity ratio Current Bottom 43% 5-year trend Broadly stable
Growth Below average Current Bottom 33% 5-year trend Deteriorating
Cash generation Below average Current Bottom 36% 5-year trend Deteriorating

Half-year trend

Half-year financial trend

H1 values are cumulative year-to-date.

H2 values are calculated when comparable.

Consolidated · Japanese GAAP · Cumulative YTD

Mode

Half-year financial data

Annual key financial indicators

FY2026

Consolidated Japanese GAAP

Revenue reached ¥8.11 trillion, down 11.8% year over year. Operating income was ¥212.2 billion, up 30.8% year over year. Operating margin was 2.6%. Net income was ¥171.91 billion, up 65.2% year over year. ROE was 8.8%; equity ratio was 36.0%; free cash flow was ¥100.8 billion.

Revenue ¥8.11T down 11.8% year over year
Operating income ¥212.2B up 30.8% year over year
Net income ¥171.91B up 65.2% year over year
Total assets¥5.33T
Total equity—
Operating cash flow¥392.43B
Free cash flow¥100.8B

Industry position details

Oil & Coal Products

Annual data for the same fiscal year and industry

Comparison sample varies by metric

Profitability Average

Operating margin Bottom 86% / ROE Top 43%

Financial strength Below average
Based on Equity ratio

Equity ratio Bottom 72%

Growth Below average

Revenue growth Bottom 100% / 3-year revenue CAGR Bottom 67%

Cash generation Below average

Operating cash flow margin Bottom 86% / Free cash flow margin Bottom 72%

Profitability Industry position history Deteriorating
2026 Top 50% 2025 Bottom 34% 2024 Top 38% 2023 Top 17% 2022 Top 34%
Financial strength Industry position history Broadly stable
2026 Bottom 43% 2025 Top 45% 2024 Top 50% 2023 Bottom 45% 2022 Bottom 45%
Growth Industry position history Deteriorating
2026 Bottom 33% 2025 Top 13% 2024 Top 38% 2023 Top 7% 2022 Top 0%
Cash generation Industry position history Deteriorating
2026 Bottom 36% 2025 Bottom 45% 2024 Bottom 32% 2023 Bottom 45% 2022 Top 50%
Profitability Operating margin 2.6% Industry median 5.4% Bottom 86% Comparison sample 7
Profitability ROE 8.8% Industry median 7.7% Top 43% Comparison sample 7
Financial strength Equity ratio 36.0% Industry median 37.1% Bottom 72% Comparison sample 7
Growth Revenue growth -11.8% Industry median -4.5% Bottom 100% Comparison sample 7
Growth 3-year revenue CAGR -5.0% Industry median -3.2% Bottom 67% Comparison sample 6
Cash generation Operating cash flow margin 4.8% Industry median 8.0% Bottom 86% Comparison sample 7
Cash generation Free cash flow margin 1.2% Industry median 3.1% Bottom 72% Comparison sample 7

Annual financial data

Fiscal year Scope Accounting standard Revenue Operating income Ordinary income Profit before tax Net income Profit attributable to owners of parent Comprehensive income Total assets Total liabilities Net assets Shareholders' equity Equity Equity attributable to owners of parent Equity for ratio Operating cash flow Investing cash flow Financing cash flow Free cash flow Cash and cash equivalents Basic EPS P/E Share price Market cap Book value per share Dividend per share Shares issued Equity ratio Official equity ratio ROE ROA Operating margin Ordinary income margin Net margin Operating cash flow margin Free cash flow margin Dividend payout ratio Revenue YoY Operating income YoY Ordinary income YoY Profit before tax YoY Net income YoY Total assets YoY Equity YoY Operating cash flow YoY Investing cash flow YoY Financing cash flow YoY Free cash flow YoY Cash and cash equivalents YoY EPS YoY Dividend per share YoY Shares issued YoY Employees YoY Average salary YoY Employees Average salary
FY2026 Consolidated Japanese GAAP 8105891000000 212203000000 229646000000 171914000000 171914000000 242856000000 5328792000000 3377692000000 1951099000000 1626211000000 1951099000000 392429000000 -291632000000 -104926000000 100797000000 157088000000 140.38 11.0 1544.180 1990057944690.200 1574.46 1288747390 0.3661428331 0.36 0.088111367 0.0322613455 0.0261788618 0.0283307535 0.021208526 0.0484128148 0.0124350303 -0.1179877533 0.3084009002 0.0692946676 0.6521455 0.1158404435 0.1228060786 -0.1768524695 -1.4607388157 0.6944941039 -0.7186233349 -0.0436100846 0.8036746756 -0.0510510183 0.04184161 14392
FY2025 Consolidated Japanese GAAP 9190225000000 162185000000 214764000000 104055000000 104055000000 108319000000 4775586000000 3037886000000 1737699000000 1494580000000 1737699000000 476742000000 -118514000000 -343450000000 358228000000 164251000000 77.83 13.5 1050.705 1426940069976.450 1404.8 1358078690 0.3638713657 0.36 0.0598809115 0.021788949 0.0176475549 0.0233687423 0.0113223561 0.0518748997 0.0389792415 0.0540214637 -0.5316849351 -0.4425276317 -0.5446529376 -0.0472256721 -0.0412859146 0.2632574704 -0.8009877669 -0.2243944871 0.1496922198 0.1997881665 -0.5175427721 -0.0248187207 -0.0126509899 13814
FY2024 Consolidated Japanese GAAP 8719201000000 346316000000 385246000000 228518000000 228518000000 281544000000 5012295000000 3199763000000 1812531000000 1585403000000 1812531000000 377391000000 -65805000000 -280506000000 311586000000 136900000000 161.32 6.5 1048.580 1460296852448.200 1305.18 1392642290 0.3616169838 0.359 0.1260767402 0.0455914905 0.039718777 0.0441836356 0.0262085941 0.0432827503 0.0357356138 -0.0779460763 0.2261490855 0.198183656 -0.0990672039 0.0301981144 0.1124544899 12.4904092072 -1.9390116868 -2.1023933817 7.3680945347 0.328107568 -0.8109612478 3.6754187584 -0.0258998816 13991
FY2023 Consolidated Japanese GAAP 9456281000000 282442000000 321525000000 253646000000 253646000000 272406000000 4865370000000 3236062000000 1629308000000 1454116000000 1629308000000 -32844000000 70079000000 -90416000000 37235000000 103079000000 853.37 3.4 2901.458 864241968958.844 5510.24 297864718 0.3348785396 0.332 0.1556771341 0.0521329313 0.0298681903 0.0340012104 0.0268230185 -0.003473247 0.0039375945 0.4141796006 -0.349890552 -0.2999292363 -0.0924944007 0.0574171903 0.1342112005 -1.2247880036 1.6277905185 -2.0135653101 0.0798074413 -0.2585844782 -0.0923044195 0.0 0.0108382011 14363
FY2022 Consolidated Japanese GAAP 6686761000000 434453000000 459275000000 279498000000 279498000000 300114000000 4601183000000 3164670000000 1436512000000 1272306000000 1436512000000 146111000000 -111628000000 -30003000000 34483000000 139030000000 940.15 3.6 3384.540 1008135052659.720 4749.7 297864718 0.3122049264 0.307 0.1945671181 0.0607448128 0.0649721143 0.0686842254 0.0417987124 0.0218507884 0.0051569063 0.4674826955 2.1018620325 3.2379489167 7.00395189 0.1635476855 0.1821820767 -0.1428730656 -0.0161764572 0.4663951482 -0.4311144106 0.0616542961 7.0033199966 0.0 0.0117487895 14209
FY2021 Consolidated Japanese GAAP 4556620000000 140062000000 108372000000 34920000000 34920000000 44120000000 3954443000000 2739306000000 1215136000000 1028559000000 1215136000000 170466000000 -109851000000 -56227000000 60615000000 130956000000 117.47 24.3 2854.521 850261092690.078 3871.69 297864718 0.3072837312 0.291 0.028737524 0.0088305736 0.0307381348 0.0237834184 0.0076635752 0.0374106245 0.0133026234 -0.2463226842 37.285492228 8.7547048301 2.5225637672 0.0173671409 0.0121376286 6.2111151871 0.1830392004 -1.356076678 1.3625841184 0.0125333436 2.5393788494 0.0 0.0201946826 14044
FY2020 Consolidated Japanese GAAP 6045850000000 -3860000000 -13975000000 -22935000000 -22935000000 -40480000000 3886938000000 2686374000000 1200564000000 1036010000000 1200564000000 -32712000000 -134463000000 157907000000 -167175000000 129335000000 -76.31 3868.68 297864718 0.3088714047 0.296 -0.0191035213 -0.0059005315 -0.0006384545 -0.0023115029 -0.0037935113 -0.0054106536 -0.0276511988 0.3662493243 -1.021525884 -1.0826331443 -1.2815837937 0.3448183878 0.3659365752 -1.2166142436 -0.0995960224 8.8357979357 -6.8186279628 0.4261219539 -1.190000747 0.4320419135 0.4527226678 13766
FY2019 Consolidated Japanese GAAP 4425144000000 179319000000 169121000000 81450000000 81450000000 52069000000 2890307000000 2011376000000 878931000000 709955000000 878931000000 151015000000 -122284000000 -20152000000 28731000000 90690000000 401.63 9.2 3694.996 768559168000.000 4267.21 208000000 0.3040960701 0.291 0.0926693904 0.0281803974 0.0405227491 0.0382181913 0.0184061807 0.0341265731 0.0064926701 0.1861462625 -0.1092970003 -0.2527218579 -0.498173215 -0.010258658 -0.0298014524 0.1042336941 -0.3603889241 0.6118270249 -0.3870196923 0.0443825142 -0.5247938285 0.0581797878 9476
FY2018 Consolidated Japanese GAAP 3730690000000 201323000000 226316000000 162307000000 162307000000 180035000000 2920265000000 2014335000000 905929000000 702839000000 905929000000 136760000000 -89889000000 -51915000000 46871000000 86836000000 845.17 4.8 4056.816 4177.4 0.3102215039 0.297 0.1791608393 0.055579545 0.053964012 0.0606633089 0.043505893 0.0366580981 0.0125636276 0.1693680969 0.4887010663 0.6169124371 0.8409668345 0.1054771802 0.461336082 1.5543995966 0.5815554635 -1.3813269871 1.2906224036 -0.0361515323 0.5333551044 -0.0201334938 8955
FY2017 Consolidated Japanese GAAP 3190347000000 135234000000 139968000000 88164000000 88164000000 92816000000 2641633000000 2021700000000 619932000000 429156000000 619932000000 53539000000 -214817000000 136143000000 -161278000000 90093000000 551.19 7.0 3858.330 3649.83 0.234677565 0.221 0.1422155978 0.0333748102 0.0423884925 0.0438723437 0.0276346115 0.0167815601 -0.0505518679 -0.1063959406 7.8845899303 7.3903574853 3.4494762871 0.0997099227 0.1530186363 -0.7525558308 -1.1908477135 2.2894649606 -2.3631123432 -0.2415584197 3.4494067458 -0.006954254 9139

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Source data: Financial Services Agency EDINET / Data organization, aggregation, and metric calculations: bestforever.jp